Home / 9,195.03-12,689.43-5,660.28

Finding the Fourth Proportional to 9,195.03, 12,689.43 and 5,660.28

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Solution

The fourth proportional to 9,195.03, 12,689.43 and 5,660.28 is: 7,811.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.03 : 12,689.43 = 5,660.28 : x
  2. Step 2: Convert to fraction form
    9,195.03/12,689.43 = 5,660.28/x
  3. Step 3: Cross multiply
    9,195.03x = 12,689.43 × 5,660.28
  4. Step 4: Simplify right side
    9,195.03x = 71,825,726.84
  5. Step 5: Solve for x
    x = 71,825,726.84/9,195.03
  6. Step 6: Final answer
    x = 7,811.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.